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From "Hitesh Shah (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (TEZ-349) Add initial support for Tez Sessions
Date Fri, 23 Aug 2013 22:15:51 GMT

     [ https://issues.apache.org/jira/browse/TEZ-349?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hitesh Shah resolved TEZ-349.
-----------------------------

       Resolution: Fixed
    Fix Version/s: 0.2.0

Committed to master.
                
> Add initial support for Tez Sessions
> ------------------------------------
>
>                 Key: TEZ-349
>                 URL: https://issues.apache.org/jira/browse/TEZ-349
>             Project: Apache Tez
>          Issue Type: Sub-task
>            Reporter: Siddharth Seth
>            Assignee: Hitesh Shah
>              Labels: TEZ-0.2.0
>             Fix For: 0.2.0
>
>         Attachments: TEZ-349.2.wip.patch, TEZ-349.3.patch, TEZ-349.proposal.patch
>
>
> Requested by [~hagleitn].
> Essentially, users of TezClient (Hive in this case) would create a Tez session. This
session can then be used to submit multiple DAGs. 
> Internally, TezClient can control whether an AM is run within the same process, in unmanaged
mode, on the cluster etc. Initially, we'd likely end up creating one AM per submitted DAG.
Once TEZ-340 is in place, the same AM could be re-used for multiple non-concurrent DAGs.

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